
  .Basis-TreeNode-FolderCaption
  {
    background-image: url(res/folder_open.gif);
    background-image: url();
  }

  .Basis-TreeNode__collapsed .Basis-TreeNode-Caption
  {
    background-image: url(res/folder_close.gif);
    background-image: url();
  }
  .Basis-TreeNode-Content__collapsed
  {
    display: none;
  }
